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CONDENSED BALANCE SHEETS (UNAUDITED) (Parentheticals) - USD ($)	Nov. 30, 2018	Feb. 28, 2018
Allowance for doubtful accounts (in Dollars)	$ 303,500	$ 297,100
Common Stock, par value (in Dollars per share)	$ 0.20	$ 0.20
Common Stock, shares authorized	16,000,000	16,000,000
Common Stock, shares issued	12,092,080	12,092,080
Common Stock, shares outstanding	8,203,119	8,179,612

X

- Definition

The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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